class_docstr: Extract raw HTML from text.
  
  The raw HTML is stored in the [`htmlStash`][markdown.util.HtmlStash] of the
  [`Markdown`][markdown.Markdown] instance passed to `md` and the remaining text
  is stored in `cleandoc` as a list of strings.
docstr: Return full source of start tag: `<...>`.
docstr_tok: ["Return","full","source","of","start","tag",":","`","<","...",">","`","."]
code: def get_starttag_text(self) -> str:
      """Return full source of start tag: `<...>`."""
      return self.__starttag_text
  
imports: from __future__ import annotations
  import re
  import importlib.util
  import sys
  from typing import TYPE_CHECKING, Sequence
label_desc: Use image node_id 21 for calling the HTMLExtractor obj's underlying member method code with example usage: obj.get_starttag_text() and returns: self